Difference between revisions of "HDGeant4 Meeting, July 6, 2018"

From GlueXWiki
Jump to: navigation, search
m (correct the meeting tie)
(add notes)
 
Line 10: Line 10:
 
# [https://github.com/JeffersonLab/HDGeant4/issues Issues on GitHub] (all)
 
# [https://github.com/JeffersonLab/HDGeant4/issues Issues on GitHub] (all)
 
# Meeting Schedule
 
# Meeting Schedule
 +
 +
== Notes ==
 +
 +
Present:
 +
* ''' FSU: ''' Sean Dobbs
 +
* ''' JLab: ''' Thomas Britton, Justin Stevens, Simon Taylor, Beni Zihlmann
 +
* ''' KDH: ''' Mark Ito (chair)
 +
* ''' UConn: ''' Richard Jones
 +
 +
=== Goals ===
 +
 +
* Thomas has not had a chance to get to the bggen sample using HDG4.
 +
* Sean: high level comparisons of HDG3 vs. HDG4 with bggen not useful, too much going on
 +
** Use pure, simple reactions: e.g. ρ, φ production
 +
** Justin: single particle gun an option too
 +
*** charged particles
 +
**** FDC
 +
**** CDC
 +
**** transition region
 +
*** photons
 +
**** BCAL
 +
**** FCAL
 +
* Sean: want to use latest version of software, old versions have old software problems
 +
* Justin: we should set some milestones
 +
** by detector? I. e., FDC, CDC, BCAL, FCAL, TOF
 +
** Sean: can do comparisons with monitoring histograms
 +
*** has some ready to go, will publish them
 +
* Someone: comparisons might be easier with no smearing
 +
** Sean has scripts to look at raw HDDM as generated by HDG
 +
** Smearing can be turned off in mcsmear easily
 +
* Need new version set for comparisons
 +
** look at doing a new release of HDGeant4
 +
** wait for Simon pull request before tagging
 +
** tag pre-split sim-recon repository, not post-split halld_sim + halld_recon
 +
 +
=== Issues ===
 +
 +
* [https://github.com/JeffersonLab/HDGeant4/issues/53 Request for DGeometry access for DIRC positions in GlueXPrimaryGeneratorAction]
 +
** Richard will work on this one
 +
* [https://github.com/JeffersonLab/HDGeant4/issues/52 TOF hit time distribution shape]
 +
** Richard: below thresholds hits are not in HDG4 that might appear in HDG3
 +
* [https://github.com/JeffersonLab/HDGeant4/issues/51 CDC integrated charge shifted to higher values]
 +
** This one has been resolved
 +
* [https://github.com/JeffersonLab/HDGeant4/issues/10 Time shift in FCAL showers?]
 +
** Richard: t = 0 not the same as interaction time
 +
** there a several suspects for this one
 +
** SCAT card sets vertex position
 +
* Upgrade path for Geant4
 +
** going to a new version is difficult
 +
** we are happy at current version for now
 +
 +
=== Future Meetings ===
 +
 +
* next meeting in two weeks at same time
 +
* will meet every two weeks until further notice

Latest revision as of 17:03, 7 July 2018

HDGeant4 Meeting
Friday, July 6, 2018
10:00 am
JLab: CEBAF Center, A110
BlueJeans: 968592007

Agenda

  1. Purpose of these meetings (all)
  2. Issues on GitHub (all)
  3. Meeting Schedule

Notes

Present:

  • FSU: Sean Dobbs
  • JLab: Thomas Britton, Justin Stevens, Simon Taylor, Beni Zihlmann
  • KDH: Mark Ito (chair)
  • UConn: Richard Jones

Goals

  • Thomas has not had a chance to get to the bggen sample using HDG4.
  • Sean: high level comparisons of HDG3 vs. HDG4 with bggen not useful, too much going on
    • Use pure, simple reactions: e.g. ρ, φ production
    • Justin: single particle gun an option too
      • charged particles
        • FDC
        • CDC
        • transition region
      • photons
        • BCAL
        • FCAL
  • Sean: want to use latest version of software, old versions have old software problems
  • Justin: we should set some milestones
    • by detector? I. e., FDC, CDC, BCAL, FCAL, TOF
    • Sean: can do comparisons with monitoring histograms
      • has some ready to go, will publish them
  • Someone: comparisons might be easier with no smearing
    • Sean has scripts to look at raw HDDM as generated by HDG
    • Smearing can be turned off in mcsmear easily
  • Need new version set for comparisons
    • look at doing a new release of HDGeant4
    • wait for Simon pull request before tagging
    • tag pre-split sim-recon repository, not post-split halld_sim + halld_recon

Issues

Future Meetings

  • next meeting in two weeks at same time
  • will meet every two weeks until further notice